After 30 years of development，courier services as a core business of the modern logistics industry in China has formed a large-scale industry. At the same time，there are also various discreditable phenomenon’s，manifested in poor quality of service，complaint rate increasing，the terms of overlord，disclosure of personal information，which has restricted the rapid development of the industry. Analysis of the key factors affecting the development of express delivery industry lie in the imperfect laws and regulations，multi-thread supervision resulting in inefficient，standard is imperfect and inadequate implementation，homogeneous competition resulting in chaotic management，lack of professionals. Based on this，this article believes that，in order to promote the credit development of the industry，which to provide a good environment support for the development of express industry，should establish and improve laws and regulations and strengthen supervision，improve the service standard，relax market access in order to enhance the market competitiveness，strengthen the service innovation，actively play the role of express industry association，etc..